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NAVOSH 5.1 > NAVOSH 5.4 > Flashcards

NAVOSH 5.4 Flashcards

1
Q

What is the primary OPNAVINST for NAVOSH?

A

OPNAVINST 5100.19

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2
Q

What are the Command responsibilities for the respiratory protection program?

A

CO - shall appoint protection manager
Resp Protection Prog Manager (RPPM)
- required to complete training within 3 mo of assuming position.
- ensure accurate guidance for resp protection
- provide guidance on stock levels with SUPO
- Ensure training for all
- ensure proper fit testing and QA of air quality

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3
Q

Dept Head/DIVO responsibilities to respiratory program?

A
  • Provide equipment
  • ensure proper training/fitting/med qualification
  • ensure use
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4
Q

Med Dept Rep for respiratory program req’s

A
  • Conduct periodic evals
  • medically certify qualified individuals
  • Assist in identifying/evaluating hazards and appropriate respirators
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5
Q

What are the requirements for respirator use?

A
  • Medical screens for no limiting conditions

- current annual pha

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6
Q

Which shipboard personnel do not need medical qualification or fit testing?

A

Fire fighting personnel

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7
Q

Who is the examiner for the respiratory protection program?

A

Physician/nurse, PA, prev med tech, or IDC

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8
Q

What are the types of dispositions of personnel?

A
  • Qualified without restrictions
  • Qualified with restrictions
  • Not medically qualified
    • Med Rep must sign request
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9
Q

What are aerosols? *****

A

ANy material dispensed from a pressurized container using gas propellant

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10
Q

What are Contaminants?

A

Materials not normally present in the atmosphere, harmful to anyone who breathes it

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11
Q

What is dust? *****

A

Small solid particles from larger particles by process of crushing, grinding, or expulsion

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12
Q

What are fumes?

A

Small particles, <1 micrometer, formed of volatilized solids, using metals.

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13
Q

What are fumes?

A

Small particles, <1 micrometer, formed of volatilized solids, using metals.

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14
Q

What is gas?

A

Material under normal conditions of temp and pressure tends to occupy entire space.

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15
Q

WHat is mist?

A

divided liquid droplets suspended in air generated by condensation/atomization

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16
Q

What is an oxygen deficient atmosphere? *****

A
  • insufficient O2 to support life
  • caused by oxidization, dilution, or displacement
  • must be 19.5% to use in air-purifying respirator
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17
Q

what is smoke?

A

carbon/soot particles less than 0.1 micrometers from combustion

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18
Q

*** when is an atmosphere immediately dangerous to life or health? **

A

WHen the concentration/contaminant can produce immediate irreversible debilitating effect on health.

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19
Q

What is vapor?

A

Gaseous state of substance that is normally liquid at room temp.

20
Q

What are engineering controls?

A

Vent systems
- can be used in NBC/CBR environments
Exhaust
- Forced air supply, damage control gear

21
Q

What is the CO’s responsibility for gas free medical surveillance and Physical exam?

A
  • Adequately staffed with trained personnel

- Ensure all personnel comply with program req’s

22
Q

Safety officer role with Gas free med surveillance

A

Evaluate program annually

23
Q

Medical dept Rep for gas free medical surveillance/physical exam?

A
  • Advise GFE if there is a victim, proper aid once victim is removed
  • monitor victim use of EBA/equipment and advise of replacement
24
Q

What are the three basic types of respirators?

A
  • air purifying
  • atmosphere supplied air
  • SCBA
25
Q

Air purifying respirators do what?

A
  • Remove contaminants through filter/absorption
  • adequate O2 @ 19.5%
  • Full face respirator = higher degree of protection
26
Q

DO surgical masks provide protection against air contaminants?

A

NO, only for medical/dental use

- never use them for an air purifying respirator

27
Q

Should military gas masks be used in place of air purifying filters?

A

No, dumbass they are for CBR

28
Q

Should military gas masks be used in place of air purifying filters?

A

No, dumbass they are for CBR

29
Q

What are the two types of categories for air purifying respirators?

A
  • Particulate air-purifying respirator - uses cartridges, filters, pre-filters against aerosols
  • Gas and vapor air-purifying respirator - uses cartridges/canisters for adsorption/absorption
30
Q

WHat are combination cartridges and canisters?

A

Combine the removal capabilities of two or more types in one

31
Q

Pre-filters do what?

A

Protect against aerosols with volatile solvent

- another level of protection

32
Q

What does an atmosphere-supplying respirator do?

A
  • Protects users by supplying O2 for maintenance of life
  • used when contaminant has no warning property
  • high concentrations of contaminant
  • * Environment is immediately dangerous to life or health (IDLH)*
33
Q

WHat are the two types of supplied-air respirators?

A

Hose mask respirator

Air-line respirator

34
Q

Hose mask respirator does what?

A

air supplied by blower, being removed by fleet because is offers no advantage over counterpart

35
Q

Air-line respirator and SCBA’s have three categories, what are they?

A

Demand, pressure demand, and continuous flow

36
Q

Demand respirator benefits?

A
  • Air on demand

- Negative pressure within face piece

37
Q

Pressure demand benefits?

A
  • Maintains continuous positive pressure

- prevents contaminant leakage into mask

38
Q

Continuous flow benefits?

A
  • Face piece, helmet, hood, or suit
  • provides continuous flow of air
  • Prevents inward contamination
39
Q

CLosed circuit SCBA types?

A
  1. O2 provided by HP O2 or liquid O2
  2. Water vapor exhaled to demand O2 from canister
    * ** do not use where flammableareas, canister generates heat***

Open circuit SCBA
- air expelled into atmosphere

40
Q

Open circuit SCBA uses?

A
  • Demand
  • Pressure demand
  • Emergency escape devices
  • Emergency escape breathing device (EEBD)
41
Q

** EEBD uses? **

A
  • developed for confined spaces in the Navy

- short duration of use for escape NOT ENTRY INTO SPACES

42
Q

Cleaning/Sanitizing respirators???

A
  • Temps above 110 F avoid
  • 2 minutes in 50ppm solution of Iodine
  • rinse with warm water about 100 F
  • air dry in uncontaminated clean room
43
Q

Storage or respirators?

A
  • Place in clean bag with seal
  • Ensure completely dry prior
  • Store flat, without crowding so face-piece is not deformed
44
Q

Fitting of respirators?

A
  • Quantitative fit test prior to issue, then annually.

- Wear full ppe during fit to determine obstructions

45
Q

Authorized Fit Testers?

A

Persons trained as per Chapter B0612

46
Q

Qualitative Fit Testing?

A
  • * Isoamyl acetate*
  • Saccharin mist
  • irritant smoke
  • ** can only be performed on shore testing. ***
47
Q

What is the formal respirator cert Medical Matrix form?

A

Respirator Cert Exam 716

NAVOSH 5.1 (2 decks)

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